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/* $OpenBSD: yp_all.c,v 1.12 2015/09/11 12:42:47 deraadt Exp $ */
/*
* Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <rpc/rpc.h>
#include <rpc/xdr.h>
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>
#include "ypinternal.h"
static int (*ypresp_allfn)(u_long, char *, int, char *, int, void *);
static void *ypresp_data;
bool_t
xdr_ypresp_all_seq(XDR *xdrs, u_long *objp)
{
struct ypresp_all out;
u_long status;
char *key, *val;
int size;
int done = 0; /* set to 1 when the user does not want more data */
bool_t rc = TRUE; /* FALSE at the end of loop signals failure */
memset(&out, 0, sizeof out);
while (rc && !done) {
rc = FALSE;
if (!xdr_ypresp_all(xdrs, &out)) {
*objp = (u_long)YP_YPERR;
goto fail;
}
if (out.more == 0)
goto fail;
status = out.ypresp_all_u.val.stat;
if (status == YP_TRUE) {
size = out.ypresp_all_u.val.key.keydat_len;
if ((key = malloc(size + 1)) == NULL) {
*objp = (u_long)YP_YPERR;
goto fail;
}
(void)memcpy(key, out.ypresp_all_u.val.key.keydat_val,
size);
key[size] = '\0';
size = out.ypresp_all_u.val.val.valdat_len;
if ((val = malloc(size + 1)) == NULL) {
free(key);
*objp = (u_long)YP_YPERR;
goto fail;
}
(void)memcpy(val, out.ypresp_all_u.val.val.valdat_val,
size);
val[size] = '\0';
done = (*ypresp_allfn)(status, key,
out.ypresp_all_u.val.key.keydat_len, val,
out.ypresp_all_u.val.val.valdat_len, ypresp_data);
free(key);
free(val);
} else
done = 1;
if (status != YP_NOMORE)
*objp = status;
rc = TRUE;
fail:
xdr_free(xdr_ypresp_all, (char *)&out);
}
return rc;
}
int
yp_all(const char *indomain, const char *inmap, struct ypall_callback *incallback)
{
struct ypreq_nokey yprnk;
struct dom_binding *ysd;
struct timeval tv;
struct sockaddr_in clnt_sin;
CLIENT *clnt;
u_long status;
int clnt_sock;
int r = 0;
if (indomain == NULL || *indomain == '\0' ||
strlen(indomain) > YPMAXDOMAIN || inmap == NULL ||
*inmap == '\0' || strlen(inmap) > YPMAXMAP || incallback == NULL)
return YPERR_BADARGS;
if (_yp_dobind(indomain, &ysd) != 0)
return YPERR_DOMAIN;
tv.tv_sec = _yplib_timeout;
tv.tv_usec = 0;
clnt_sock = RPC_ANYSOCK;
clnt_sin = ysd->dom_server_addr;
clnt_sin.sin_port = 0;
clnt = clnttcp_create(&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0);
if (clnt == NULL) {
printf("clnttcp_create failed\n");
r = YPERR_PMAP;
goto out;
}
yprnk.domain = (char *)indomain;
yprnk.map = (char *)inmap;
ypresp_allfn = incallback->foreach;
ypresp_data = (void *) incallback->data;
(void) clnt_call(clnt, YPPROC_ALL,
xdr_ypreq_nokey, &yprnk, xdr_ypresp_all_seq, &status, tv);
clnt_destroy(clnt);
if (status != YP_FALSE)
r = ypprot_err(status);
out:
_yp_unbind(ysd);
return r;
}
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